Clean up IconNTP-related code

chrome/browser/about_flags.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1062 matching lines @@
      IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_NAME,
      IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_DESCRIPTION, kOsAll,
      MULTI_VALUE_TYPE(kOverscrollHistoryNavigationChoices)},
 #endif  // USE_AURA
     {"scroll-end-effect", IDS_FLAGS_SCROLL_END_EFFECT_NAME,
      IDS_FLAGS_SCROLL_END_EFFECT_DESCRIPTION, kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(switches::kScrollEndEffect,
                                          "1",
                                          switches::kScrollEndEffect,
                                          "0")},
-    {"enable-icon-ntp", IDS_FLAGS_ICON_NTP_NAME, IDS_FLAGS_ICON_NTP_DESCRIPTION,
-     kOsAll, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableIconNtp,
-                                       switches::kDisableIconNtp)},
     {"enable-touch-drag-drop", IDS_FLAGS_TOUCH_DRAG_DROP_NAME,
      IDS_FLAGS_TOUCH_DRAG_DROP_DESCRIPTION, kOsWin | kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTouchDragDrop,
                                switches::kDisableTouchDragDrop)},
     {"touch-selection-strategy", IDS_FLAGS_TOUCH_SELECTION_STRATEGY_NAME,
      IDS_FLAGS_TOUCH_SELECTION_STRATEGY_DESCRIPTION,
      kOsAndroid,  // TODO(mfomitchev): Add CrOS/Win/Linux support soon.
      MULTI_VALUE_TYPE(kTouchTextSelectionStrategyChoices)},
     {"enable-navigation-tracing", IDS_FLAGS_ENABLE_NAVIGATION_TRACING,
      IDS_FLAGS_ENABLE_NAVIGATION_TRACING_DESCRIPTION, kOsAll,
@@ skipping 1305 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags